Turn the following into equations:
- A runner starts running toward Westerly from Providence (60 miles away), going a steady 10 miles per hour. Make an equation that gives their distance from Providence.
- A number is 12 more than the product of the number and -5. What is the number?
- A runner starts running toward Providence from Westerly (60 miles away), going a steady 15 miles per hour. Make an equation that gives their distance from _Providence_.
- How many miles from Providence are the two runners when they pass each other? How much time have they each been running?